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National Weather Service:
Heat Advisory







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Current Conditions - Hayward, CA

Clear
70°
Clear
Wind: Calm
Dew Point: 63°F
Pressure: 29.82 in
Humidity: 78%
Visibility: 10.0 miles
Updated: 11:54 PM PDT on August 27, 2008 at Hayward, California(KHWD)
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Forecast for San Francisco Bay Shoreline

Tonight
Clear. Lows in the 60s. Southwest winds 5 to 10 mph.
Thursday
Sunny. Highs in the mid 70s to upper 90s. Coolest along the immediate coast. Light winds...becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear. Lows in the 60s. West winds 5 to 10 mph...becoming south after midnight.

Conditions Nearby

  Conditions Temp Forecast: High / Low
Charlotte Overcast 73° 81° / 67°
Raleigh Overcast 75° 81° / 67°
Fayetteville Mostly Cloudy 76° 85° / 68°
Asheville Overcast 69° 76° / 61°
Winston Salem Overcast 63° 79° / 65°
Wilmington Clear 79° 85° / 70°
Hatteras Heavy Rain 77° 83° / 72°

Today's State Extremes

State Highs:

Mount Wilson 77°F
Porterville 75°F
Visalia 75°F
Auburn 73°F
Santa Ana 68°F

State Lows:

Big Bear City 50°F
Truckee-Tahoe 51°F
Vandenberg AFB 53°F
Lompoc 55°F
Point Mugu 64°F

5 Day Forecast for ZIP Code 94540

Thursday Friday Saturday Sunday Monday
Clear Clear Clear Clear Clear
Clear Clear Clear Clear Clear
92° | 65°
Detail
Almanac
81° | 58°
Detail
Almanac
72° | 58°
Detail
Almanac
67° | 58°
Detail
Almanac
72° | 58°
Detail
Almanac

UV Index

  
10
 Thu 
  
10
 Fri 
  
9
 Sat 
More about UV

Water Temp

Charleston70.0°
Springmaid Pier84.9°
Fort Pulaski84.0°
Wilmington73.9°
St.Simons Island55.0°
Point Reyes55.0°
Monterey63.0°
  • Water Temp Map
  • Wave Height Map
  • Marine Forecast for San Francisco San Pablo Suisun Bay And The West Delta-

    Tonight
    SW winds 15 to 25 kt with gusts to 30 kt...decreasing to 5 to 15 kt after midnight.
    Thu
    S winds 5 to 10 kt...becoming SW 10 to 20 kt in the afternoon.
    Thu Night
    W winds 10 to 15 kt...becoming SW 5 to 10 kt after midnight.

    Marine Links

  • Sunburn Forecast
  • Surf Forecast
  • More Marine Forecasts
  • Extended Forecast for San Francisco Bay Shoreline

    Friday
    Mostly sunny. Highs in the mid 60s to around 90. Coolest along the immediate coast. Southwest winds 5 to 10 mph.
    Friday Night
    Mostly clear. Patchy fog after midnight. Lows in the 50s to mid 60s. Southwest winds 5 to 15 mph.
    Saturday
    Patchy low clouds and fog in the morning then mostly sunny. Highs in the 60s to upper 70s.
    Saturday Night and Sunday
    Areas of night and morning low clouds and fog...otherwise mostly clear. Lows in the upper 50s. Highs in the 60s to upper 70s.
    Sunday Night and Labor Day
    Patchy night and morning low clouds...otherwise mostly clear. Lows in the mid 50s to lower 60s. Highs in the 60s to upper 70s.
    Monday Night through Wednesday
    Mostly clear. Lows in the mid 50s to lower 60s. Highs in the 60s to upper 70s.

    Almanac

    Key: T = Trace of precipitation; MM = data not available
    August 28, 2008
    Normal high:73° Record high:91° (2004)
    Normal low:56° Record low:55° (1996)
    Sunrise:6:35 AM Moon Rise: 4:03 AM
    Sunset:7:42 PM Moon Set: 6:36 PM
    Complete weather almanac

    Air Pollution Forecast for Redwood City

      Air Quality AQ Index Pollutant
    YesterdayGoodPM2.5
    YesterdayGoodOZONE
    CurrentModeratePM2.5
    CurrentGoodOZONE
    ThuModerate OZONE
    FriModerate PM2.5
    SatGood PM2.5
    SunGood OZONE
    MonGood OZONE
    ThuModerate PM2.5

    Astronomy

    Sunrise:06:35 AM (PDT) Moon Rise:04:03 AM (PDT)
    Sunset:07:42 PM (PDT) Moon Set:06:36 PM (PDT)
    Moon Phase
    Aug. 28 Aug. 30 Sep. 07 Sep. 15 Sep. 22

    Personal Weather Stations

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    Highland Subdivision, next to CSUH, Hayward, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    69.4°F 40°F 34% SSE at 0.0 mph 29.83 in 0.00 in - 12:33 AM PDT
    Historical Data & ChartsThe Last Outpost

    Hayward, Hayward, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    68.6°F 60°F 73% South at 0.0 mph 29.75 in - - 12:43 AM PDT
    Historical Data & ChartsDavis Instruments

    APRSWXNET Hayward CA US, Hayward, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    74°F 43°F 33% WSW at 0 mph 29.83 in 0.00 in 77°F 12:26 AM PDT
    Historical Data & ChartsMeteorological Assimilation Data Ingest System

    APRSWXNET Hayward CA US, Hayward, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    68°F 59°F 74% South at 1 mph 29.75 in 0.00 in - 12:28 AM PDT
    Historical Data & ChartsMeteorological Assimilation Data Ingest System

    MesoWest Chabot CA US CARB, Castro Valley, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    74°F °F - SE at 3 mph in 0.00 in 72°F 11:00 PM PDT
    Historical Data & ChartsMeteorological Assimilation Data Ingest System

    Union Landing, Union City, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    68.3°F 62°F 81% West at 0.0 mph 29.79 in 0.00 in - 12:47 AM PDT
    Historical Data & ChartsUnion City CA Weather

    Terry's House, Union City, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    74.3°F 46°F 36% NNE at 0.0 mph 23.62 in 0.00 in 77°F 12:47 AM PDT
    Historical Data & ChartsOrcas Gallery

    Narayan/Foothill, Pleasanton, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    67.8°F 40°F 36% North at 0.0 mph 29.79 in 0.00 in - 12:34 AM PDT
    Historical Data & ChartsPleasanton, CA weather

    Hillcrest Estates, Oakland, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    76.4°F 46°F 34% SW at 0.0 mph 29.85 in 0.00 in 78°F 12:46 AM PDT
    Historical Data & Charts

    Maxwell Park, Oakland, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    76.6°F 51°F 41% NW at 0.0 mph 29.77 in 0.00 in 78°F 9:15 PM PDT
    Historical Data & Charts

    Encinal & Fernside, Alameda, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    66.4°F 58°F 73% NNW at 3.5 mph 29.90 in 0.00 in - 12:47 AM PDT
    Historical Data & Charts>>Click here for Alameda Weather<<

    _Cashew Court, San Ramon, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    69.4°F 47°F 45% WSW at 0.0 mph 29.51 in 0.00 in - 12:47 AM PDT
    Historical Data & ChartsCruise Planners, San Ramon

    MesoWest Pleasanton CA US CARB, Pleasanton, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    79°F °F - South at 3 mph in 0.00 in 77°F 11:00 PM PDT
    Historical Data & ChartsMeteorological Assimilation Data Ingest System

    In the middle of Niles Canyon, Sunol, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    68.4°F 41°F 37% NE at 0.0 mph 29.74 in 0.00 in - 12:40 AM PDT
    Historical Data & ChartsNiles Canyon Weather

    WHK-Blackcow School(Irvington), Fremont, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    62.5°F - - ENE at 0.0 mph - - - 12:45 AM PDT
    Historical Data & ChartsWHK-Weather and Solar hotwater temperatures

    Neighborhood One (The Hamiltons), Foster City, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    67.1°F 54°F 64% NNW at 0.0 mph 29.77 in 0.00 in - 12:47 AM PDT
    Historical Data & ChartsTroop 175

    Laurel District, Oakland, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    68.1°F 46°F 46% ENE at 0.0 mph 29.76 in - - 12:35 AM PDT
    Historical Data & ChartsMore Graphical Weather Data

    Irvington, Fremont, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    68.9°F 49°F 49% NW at 0.0 mph 29.67 in 0.00 in - 12:47 AM PDT
    Historical Data & ChartsMoon Dog Weather

    Brookside, Danville, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    71.1°F 41°F 34% South at 3.0 mph 29.23 in 0.00 in 77°F 12:44 AM PDT
    Historical Data & Charts

    Central Ave and Paru St, Alameda, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    70.5°F 57°F 63% North at 0.0 mph 29.77 in 0.00 in 75°F 12:46 AM PDT
    Historical Data & ChartsWeather Station

    NOS_PORTS Redwood City, CA, Redwood City, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    70°F °F - NNW at 4 mph 29.81 in 0.00 in - 12:24 AM PDT
    Historical Data & ChartsMeteorological Assimilation Data Ingest System

    Redwood Shores, Redwood City, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    70.3°F 56°F 61% NNE at 0.0 mph 30.07 in 0.00 in 76°F 12:47 AM PDT
    Historical Data & ChartsVisit Website

    Orloff Park, Pleasanton, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    69.8°F 51°F 51% North at 0.0 mph 29.82 in 0.00 in - 12:47 AM PDT
    Historical Data & ChartsPleasanton Weather

    Belmont - Island Park, Belmont, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    67.8°F 56°F 65% NNW at 0.0 mph 29.74 in 0.00 in - 12:47 AM PDT
    Historical Data & ChartsBelmont Island Park Weather

    MesoWest Sunol CA US CARB, Sunol, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    77°F °F - South at 6 mph in 0.00 in 75°F 11:00 PM PDT
    Historical Data & ChartsMeteorological Assimilation Data Ingest System

    MesoWest San Carlos CA US CARB, Redwood City, CA

    Temp. Dew Point Humidity Wind Pressure Hourly Precip. Heat Index Updated
    72°F 54°F 54% WNW at 2 mph in 0.00 in 77°F 11:00 PM PDT
    Historical Data & ChartsMeteorological Assimilation Data Ingest System

    ... Heat advisory in effect from 12 PM to 8 PM PDT Thursday...

    The National Weather Service San Francisco Bay area has issued
    a heat advisory... which is in effect from 12 PM to 8 PM PDT
    Thursday.

    High temperatures on Thursday will range from the mid 80s in
    downtown San Francisco to near 100 in Fremont. It will be very
    mild Thursday night with low temperatures only falling into the
    60s. Temperatures will cool into the 70s to upper 80s on Friday.
    Significant cooling will not occur until Saturday.

    A heat advisory means that a period of hot temperatures is
    expected. The combination of hot temperatures and high humidity
    will combine to create a situation in which heat illnesses are
    possible. Drink plenty of fluids... stay in an air-conditioned
    room... stay out of the sun... and check up on relatives and
    neighbors.




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